'use strict'

class content {

  constructor() {
    //param默认就是/:id，若要改变路由，则可以设置此属性，比如设置为/:name
    //this.param = '/:id'
  }

  //以下方法，若不需要，要去掉，避免无意义的路由。

  //获取资源具体内容
  //对应路由/GET/content/:id
  async get(c) {
    let sqltext = `SELECT*FROM content WHERE id=$1`

    let r = await c.service.psql.query(sqltext, [c.param.id])

    if (r.rowCount === 0) {
      return c.status(404).send('content not find')
    }
    c.send(r.rows[0])
  }

  //创建资源 获取数据
  //对应路由/POST/content
  async post(c) {
    try {
      let data = JSON.parse(c.body)

      let sqltext = `INSERT INTO `
        + ` content(id,add_time,detail,title,update_time) `
        + ` VALUES($1,$2,$3,$4,$5)`

      //生成唯一id
      let id = c.helper.makeId()
      let tm = Date.now()

      let r = await c.service.psql.query(sqltext, [
        id, tm, data.detail, data.title, tm
      ])

      if (r.rowCount === 0) {
        return c.status(500).send('failed')
      }

      c.send(id)

    } catch (err) {
      c.status(400).send('it is not json data')
    }
  }

  //更新资源
  //对应路由/PUT/content/:id
  // async put (c) {

  // }

  //获取列表 也是get请求
  //对应路由 GET/content
  async list(c) {
    let ret = await c.service.psql.query(`select * from content`)
    //等效于c.res.body=ret.rows
    c.send(ret.rows)
  }

  //删除资源
  //对应路由/DELETE/content/:id
  async delete (c) {
    let sqltext = `DELETE FROM content WHERE id=$1`
    let r = await c.service.psql.query(sqltext, [c.param.id]);
  }
  // async delete(c) {
  //   let sqltext1 = `DELETE FROM content WHERE id=$1`
  //   let r = await c.service.psql.query(sqltext1, [c.param.id])
  //   if (r.rowCount === 0) {
  //     return c.status(404).send('content not find')
  //   }
  //   c.send(r.rows[0])
  // }
  __mid(){
    return [
      {
        name:'token-verify',
        path:['post','delete']
      }
    ]
  }

}

module.exports = content
